按下右側的「點擊預覽」按鈕能夠在當前頁面預覽,點擊連接能夠全屏預覽。css
https://codepen.io/comehope/pen/vrRmWyhtml
此視頻是能夠交互的,你能夠隨時暫停視頻,編輯視頻中的代碼。前端
請用 chrome, safari, edge 打開觀看。git
https://scrimba.com/p/pEgDAM/c7adzTWgithub
每日前端實戰系列的所有源代碼請從 github 下載:chrome
https://github.com/comehope/front-end-daily-challengesdom
定義 dom,容器中包含 3 個子元素:flex
<div class="parrot"> <div class="outer"></div> <div class="middle"></div> <div class="inner"></div> </div>
居中顯示:spa
body { margin: 0; height: 100vh; display: flex; align-items: center; justify-content: center; background-color: darkslategray; }
定義容器尺寸:code
.parrot { width: 10em; height: 10em; font-size: 30px; }
畫出鸚鵡頭部的羽毛:
.parrot { position: relative; display: flex; align-items: center; justify-content: center; } .parrot .outer { position: absolute; width: 100%; height: 100%; border: 1em solid; border-color: transparent transparent orangered tomato; border-radius: 50%; }
畫出鸚鵡的頭部和喙的上半部分:
.parrot .middle { position: absolute; width: 80%; height: 80%; border: 4em solid; border-color: gold transparent gainsboro white; border-radius: 50%; }
畫出鸚鵡的喙的下半部分:
.parrot .inner { position: absolute; width: 40%; height: 40%; border: 2em solid; border-color: transparent orange transparent transparent; border-radius: 50%; }
用僞元素畫出鸚鵡的眼睛:
.parrot .inner::before { content: ''; position: absolute; width: 1em; height: 1em; background-color: black; border-radius: 50%; left: -2em; top: -0.5em; }
把畫面轉正:
.parrot > * { transform: rotate(45deg); }
設置鼠標懸停效果,懸停時鸚鵡的頭轉向另外一側:
.parrot > * { transition: 0.5s; } .parrot:hover .outer { transform: rotate(225deg); border-color: transparent transparent tomato orangered; } .parrot:hover .middle { transform: rotate(calc(225deg - 360deg)); border-color: transparent gold white gainsboro; } .parrot:hover .inner { transform: rotate(135deg); }
最後,修改懸停時鸚鵡的配色:
.parrot:hover .outer { border-color: transparent transparent lightseagreen darkcyan; } .parrot:hover .middle { border-color: transparent gold white gainsboro; } .parrot:hover .inner { border-color: transparent orange transparent transparent; }
大功告成!